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Multitech MultiConnect xDot MTXDOT Series, Developer'S Manual

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Multitech MultiConnect xDot MTXDOT Series Developer'S Manual Download Page 3

CONTENTS

MultiConnect

®

xDot

TM

MTXDOT Developer Guide

3

Contents

Chapter 1 – Product Overview ................................................................................................................................. 7

Overview ....................................................................................................................................................................... 7
What's New in Firmware Version 3.1 ........................................................................................................................... 7

xDot Bootloader.......................................................................................................................................................... 7
Power Optimization .................................................................................................................................................... 7
Other Enhancements .................................................................................................................................................. 7

Documentation Overview ............................................................................................................................................. 7

Related Documentation .............................................................................................................................................. 8

mbed Documentation ................................................................................................................................................... 8

Programming the xDot Microcontroller ..................................................................................................................... 8
General mBed Links .................................................................................................................................................... 8
xDot Platform ............................................................................................................................................................. 9

EUI and Networking ...................................................................................................................................................... 9
Product Build Options ................................................................................................................................................. 10

Chapter 2 – Getting Started ................................................................................................................................... 11

Getting Started with the xDot Developer Kit.............................................................................................................. 11
COM Port Enumeration by Operating System ............................................................................................................ 11

Linux .......................................................................................................................................................................... 11
Windows ................................................................................................................................................................... 11
Mac ........................................................................................................................................................................... 12

Updating Firmware Using the xDot Bootloader ......................................................................................................... 12

Chapter 3 – Mechanical Drawings with Pinouts ..................................................................................................... 14

xDot ............................................................................................................................................................................. 14

Chapter 4 – Specifications and Pin Information...................................................................................................... 16

MTXDOT Specifications ............................................................................................................................................... 16

Mapping Data Rate to Spreading Factor/Bandwidth................................................................................................ 18

LoRa Transmission Output Power............................................................................................................................... 19

868 Models ............................................................................................................................................................... 19
915 Models ............................................................................................................................................................... 19

Battery Draw Down..................................................................................................................................................... 20

Electrical and Timing Characteristics ........................................................................................................................ 20
Measuring the Power Draw ...................................................................................................................................... 21

Pin Information .......................................................................................................................................................... 22

Pin Information ......................................................................................................................................................... 22
Pull-Up/Down............................................................................................................................................................ 24
LoRa........................................................................................................................................................................... 24
Secure Element ......................................................................................................................................................... 24

Summary of Contents for MultiConnect xDot MTXDOT Series

Page 1: ...MultiConnect xDotTM MTXDOT Developer Guide...

Page 2: ...TRANSMISSION OF DATA BY A PRODUCT OVER A CELLULAR COMMUNICATIONS NETWORK WILL BE UNINTERRUPTED TIMELY SECURE OR ERROR FREE NOR DOES MULTITECH WARRANT ANY CONNECTION OR ACCESSIBILITY TO ANY CELLULAR CO...

Page 3: ...r 2 Getting Started 11 Getting Started with the xDot Developer Kit 11 COM Port Enumeration by Operating System 11 Linux 11 Windows 11 Mac 12 Updating Firmware Using the xDot Bootloader 12 Chapter 3 Me...

Page 4: ...le Specifications 31 Ethertronics Chip Antenna 32 Antenna Specifications 32 Stackup Information 32 Developer Board Layer Stackup 32 Stackup Table 33 Impedance 33 Chip Antenna Design Guidelines 35 Ante...

Page 5: ...ion on HS TS Substances According to Chinese Standards 47 Information on HS TS Substances According to Chinese Standards in Chinese 48 Chapter 9 Labels 49 Label Examples 49 Chapter 10 Developer Kit Ov...

Page 6: ...ng of xDot 62 Schematic Example 63 Recommended Programming Hardware for Production 63 JTAG SWD Connector 64 Chapter 14 Appendix A Release Note Archive 65 What s New in Firmware Version 3 0 65 LoRaWAN...

Page 7: ...etails refer to Updating Firmware Using the xDot Bootloader Power Optimization To reduce power consumption during Class A transactions Version 3 1 firmware includes a new auto sleep feature When enabl...

Page 8: ...or rapid prototyping of products The platform includes a standards based C C SDK a microcontroller HDK and supported development boards an online compiler and online developer collaboration tools Note...

Page 9: ...ntation https github com ARMmbed mbed os blob master docs BUILDING md workspace tools xDot Platform The xDot mbed page includes the xDot library firmware and test cases https developer mbed org platfo...

Page 10: ...0 AS923 MHz LoRa Module w LBT UFL TRC JP 1 or 100 Korea MTXDOT KR1 A00 KR920 MHz LoRa Module w LBT UFL TRC KR 1 or 100 Developer Kits MTMDK XDOT NA1 A00 MultiConnect xDot Micro Developer Kit Includes...

Page 11: ...for firmware https developer mbed org platforms MTS xDot L151CC To send commands to the xDot 1 Plug the developer board into a USB port 2 Open communications software such as TeraTerm Putty or Minico...

Page 12: ...rectly programmed into the STM32L151CC flash memory and the xDot has no on board memory to back up the old application recovery from failed download is the responsibility of the host system The mbed b...

Page 13: ...TM MTXDOT Developer Guide 13 For the application create a file with the following content Name it mbed_app json and place it in the root directory target_overrides XDOT_L151CC target bootloader_img bo...

Page 14: ...MECHANICAL DRAWINGS WITH PINOUTS 14 MultiConnect xDotTM MTXDOT Developer Guide Chapter 3 Mechanical Drawings with Pinouts xDot...

Page 15: ...onnect xDotTM MTXDOT Developer Guide 15 Note The xDot development board uses a land pattern that matches the xDot land pattern in the previous image All pads are 0 028 inches square except the large o...

Page 16: ...SPI Wake pin Reset pin Full UART mbed simple UART RX TX only mbed programming interface CPU Performance CPU 32 MHz Max Clock 32 MHz Flash Memory 256 KB with xDot library 136 KB available with AT firm...

Page 17: ...2 4 1 2012 EN 301 489 03 V1 6 1 2013 ICES 003 2012 FCC 15 247 2015 CISPR 22 2008 FCC 15 109 2015 AS NZS CISPR 22 FCC 15 107 2015 AS NZS 4268 2012 a1 2013 RSS 247 2015 Standard 2014 MPE Safety Complian...

Page 18: ...dBm 137 dBm 1 Greater link budget is possible with higher gain antenna 2 RFS_L500 RF sensitivity Long Range Mode highest LNA gain LNA boost 500 kHz bandwidth using split Rx Tx path 3 RFS_L125 RF sens...

Page 19: ...dBm Power Frequency On Power up dBm 18 Hours After Power up dBm Bandwidth 27 869 525 MHz 24 18 25 125 kHz 27 869 525 MHz 24 18 24 83 250 kHz 915 Models Max output 27 dBm Power Frequency On Power up dB...

Page 20: ...ectrical and Timing Characteristics Note All measurements taken at VDD 3 3 V and 25 degrees Celsius ambient temperature unless otherwise specified Refer to the ST Micro STM32L151CC datasheet for more...

Page 21: ...ESET Low NRESET input low level 0 3 VDD V VNRESET High NRESET input high level Note The xDot has an internal pull up resistor 0 39 VDD 0 6 V Measuring the Power Draw To measure the power draw on an xD...

Page 22: ...SPECIFICATIONS AND PIN INFORMATION 22 MultiConnect xDotTM MTXDOT Developer Guide Pin Information Pin Information Note Using the mbed platform expands your pin functionality options...

Page 23: ...PB14 SPI_MISO 13 PA9 UART_TX 14 PA10 UART_RX 15 PA2 USBTX Debug TX routes to USB on developer board 16 PA3 USBRX Debug RX routes to USB on developer board 23 PB2 GPIO3 24 PB0 GPIO2 25 PA5 GPIO1 26 PA4...

Page 24: ...k PD LoRa Pin Function PA6 LORA_DIO0 PA7 LORA_DIO1 PA8 LORA_DIO2 PB6 LORA_DIO3 PB7 LORA_DIO4 PB4 LORA_MISO PB5 LORA_MOSI PA15 LORA_NSS PA1 LORA_RESET PB3 LORA_SCK Secure Element Pin Function PB11 SE_C...

Page 25: ...nterruptIn If you configure multiple pins of the same number as InterruptIn only the last pin configured will actually trigger an interrupt in the processor The rest will be ignored Note Pin numbers 1...

Page 26: ...AT command port If writing an app you need to configure the UART before using Refer to the pinout image for pin locations 13 PA9 UART_TX 14 PA10 UART_RX 31 PA12 UART_RTS 32 PA11 UART_CTS Serial Setti...

Page 27: ...es 5 41 Distance 13 08 Km 8 70 1 RX Sensitivity is set to a conservative 120dBm but can vary from 117 to 137dBm 2 Fade Margin is set at the worst case of 30dB Fade margin is an allowance a system desi...

Page 28: ...loper Guide Resetting the xDot To reset the xDot 1 Drive the RESET signal low for at least TNRESET 2 Select either Allow RESET to float The internal pull up resistor pulls it up Drive the RESET line h...

Page 29: ...for use with this device U FL and Trace Antenna Options If using U FL or trace antennas note the following For a simple trace to RF antennas Routing must follow standard RF design rules and practices...

Page 30: ...68 928 MHz RP SMA Antenna 8 Model Number W1063 MultiTech Part Number 45009830L MultiTech ordering information Ordering Part Number Quantity AN868 915A 1HRA 1 AN868 915A 10HRA 10 AN868 915A 50HRA 50 An...

Page 31: ...ons Optional antenna cables can be ordered from MultiTech Cable Type Coaxial Cable Attenuation 1 0db Connector Impedance 50 ohm Maximum Cable Length 16 40 cm Ordering Information Part Number Descripti...

Page 32: ...cs com wp content uploads 2016 11 M620720 ISM 868 915MHz Ethertronics Savvi Ceramic antenna datasheet 20161020 pdf Antenna Specifications Category Description Electrical Specifications Frequency Range...

Page 33: ...ANTENNAS MultiConnect xDotTM MTXDOT Developer Guide 33 Stackup Table Impedance Polar trial balance L1 refer to L2 impedance 50 87 ohms using 11 mil tracs 22mil space...

Page 34: ...ANTENNAS 34 MultiConnect xDotTM MTXDOT Developer Guide Polar trial balance L1 refer to L2 L4 refer to L3 impedance 93 54 ohms using 8 mil tracs 7mil space...

Page 35: ...from the antenna to relatively large perturbations such as a shield or large components depends on the height of surrounding components It should not be less than 1 5mm We recommend a distance equal...

Page 36: ...ANTENNAS 36 MultiConnect xDotTM MTXDOT Developer Guide Antenna Pad Layout PCB Layout...

Page 37: ...ide 37 Antenna Matching Network The following images come from the xDot Developer Board schematics and show component populations for the antenna tuning circuit The values you use depend on which freq...

Page 38: ...be used in other than fixed locations and to generally be used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitter s radiating structure...

Page 39: ...rtable use 20 cm from human body require separate FCC IC approval Host Labeling The following statements are required to be on the host label This device contains FCC ID AU792U13A16858 This device con...

Page 40: ...offender legal action or both Switch OFF your wireless device when around gasoline or diesel fuel pumps and before filling your vehicle with fuel Switch OFF your wireless device in hospitals and any...

Page 41: ...lth problem for most pacemaker wearers However people with pacemakers may want to take simple precautions to be sure that their device doesn t cause a problem Keep the device on the opposite side of t...

Page 42: ...e affected by the device Using accessories such as antennas that MultiTech has not authorized or that are not compliant with MultiTech s accessory specifications may invalidate the warranty If the dev...

Page 43: ...f this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference...

Page 44: ...body governing their locality as all pre certification provided with Conduit Base Station IP67 xDot will have been made invalid Industry Canada Class B Notice This Class B digital apparatus meets all...

Page 45: ...nd recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more...

Page 46: ...roducts comply with the chemical concentration limitations set forth in the directive 2011 65 EU of the European Parliament Restriction of the use of certain Hazardous Substances in electrical and ele...

Page 47: ...ted Biphenyl PBB Polybrominat ed Diphenyl Ether PBDE Printed Circuit Boards O O O O O O Resistors X O O O O O Capacitors X O O O O O Ferrite Beads O O O O O O Relays Opticals O O O O O O ICs O O O O O...

Page 48: ...Chinese MII EIP 39 RoHS Multi Tech Systems Inc TS HS PB Hg CD CR6 PBB PBDE O O O O O O X O O O O O X O O O O O O O O O O O O O O O O O ICs O O O O O O O O O O O O X O O O O O O O O O O O O O O O O O...

Page 49: ...Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cau...

Page 50: ...your application Developer Kit Package Contents Your Developer Kit MTMDK NX XDOT xx includes the following Developer Board 1 xDot Developer Board with xDot Customer Notices Quick Start Firmware Updat...

Page 51: ...DEVELOPER KIT OVERVIEW MultiConnect xDotTM MTXDOT Developer Guide 51 xDot Developer Kit Mechanical Drawings Note The Reset and Wake buttons reset and wake the xDot processor...

Page 52: ...loper Guide Micro Developer Board LEDs LED Description LED1 User definable LED LED3 SDA Programming Status LED2 PWR Power blue light when the board has power LED4 PROXY LED for the proximity sensor wh...

Page 53: ...DEVELOPER BOARD SCHEMATICS MultiConnect xDotTM MTXDOT Developer Guide 53 Chapter 11 Developer Board Schematics Assembly Diagrams and Schematics Assembly Diagrams Top...

Page 54: ...DEVELOPER BOARD SCHEMATICS 54 MultiConnect xDotTM MTXDOT Developer Guide Bottom...

Page 55: ...DEVELOPER BOARD SCHEMATICS MultiConnect xDotTM MTXDOT Developer Guide 55 Schematics...

Page 56: ...DEVELOPER BOARD SCHEMATICS 56 MultiConnect xDotTM MTXDOT Developer Guide...

Page 57: ...DEVELOPER BOARD SCHEMATICS MultiConnect xDotTM MTXDOT Developer Guide 57...

Page 58: ...DEVELOPER BOARD SCHEMATICS 58 MultiConnect xDotTM MTXDOT Developer Guide...

Page 59: ...ine In a 4 layer design provide adequate ground plane covering the entire board In 4 layer designs power and ground are typically on the inner layers Ensure that all power and ground traces are 0 05 i...

Page 60: ...le trace rather than several traces radiating from one point Electrostatic Discharge Control Handle all electronic devices with precautions to avoid damage due to the static charge accumulation See th...

Page 61: ...Board A footprint diagram is included on the xDot Mechanical Diagram Solder Profile Solder Paste AIM M8 Lead Free Note Calculate slope over 120 seconds Name Low Limit High Limit Units Max Rising Slop...

Page 62: ...36 29 47 4 239 56 39 43 29 56 Delta 0 00 0 12 2 72 1 65 0 37 xDot Packing xDots ship on 20 piece trays which you can use for pick and place handling Warning Maximum temperature for these trays is 65 C...

Page 63: ...ng environment as normal Schematic Example Schematic example shows programming header connections for xDot on custom board 1 MultiTech recommends the Samtec FFSD 05 D 06 00 01 N ribbon cable Recommend...

Page 64: ...s an unshrouded 9 pin header Suitable connector headers include Harwin M50 3500542 Mouser 855 M50 3500542 Samtec shrouded header FTSH 105 01 F D K The Samtec FTSH 105 header dimensions are 0 25 x 0 18...

Page 65: ...t Adds AS923 extending support to Brunei Cambodia Hong Kong Indonesia Japan Laos New Zealand Singapore South Korea Taiwan Thailand and Vietnam Adds KR920 extending support to South Korea Listen Before...

Page 66: ...lish version 47 Class B 43 Industry Canada 44 COM ports 11 Conduit 7 D data bits 26 debug port 11 design guidelines antenna 35 device maintenance 41 dimensions 14 documentation 7 E electrical characte...

Page 67: ...t notes 26 ports 11 power 20 power draw measuring 21 processor 7 programming external targets 62 R radio frequency interference 40 range 26 receive sensitivity 16 related products 7 reset 28 ribbon ca...

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